If you are speaking to them as a group, as in a class, provided they are all of the same rank and there are no male officers present, it would be appropriate to refer to them as "Ladies." If there is one or more of a higher rank, you would attempt to determine who the highest ranking among them is and address all comments to that one using her rank.
If you encounter them as a group while performing your daily tasks, you would not refer to them as a group; rather, if you were required to address them at all, you would address all questions and answers directly to the highest ranking among them, or to the individual who addressed you, all while standing at attention, or at parade rest if one of them ordered you to that position.
Gentlemen
The same way you address any other officer. It also depends whether or not you outrank her. For instance, if you are passing outdoors, a subordinate would initiate a salute and say good afternoon, ma'am.
"Your Honor" is proper.
Begin with "Dear sirs".
The proper way to address a female boss in writing is to use Dear Miss and then the name. If she is married then use Ms. or Mrs. instead.
When addressing a female mayor and multiple council members, it is good form , regardless of gender, to address the mayor first. An example would be: The honorable (insert formal name), Mayor of(name of city) and members of the (name of city) City Council.
The proper address for a female chair of a board is "Chairwoman" or simply "Chair." In formal correspondence, you can use "Ms. [Last Name]" or "Dr. [Last Name]" if she has a doctorate. It's always best to confirm her preferred title, as preferences can vary.
Dear Sirs, Dear Sirs, is outdated in today's business world, where nearly 50% of the workforce is female. A better option is to address the group as a whole, or write the same letter and have an individualized copy go to each recipient.
Addressing an envelope to a male child use to be 'Master', but now it can be Mr.and the female Miss.
what is the proper way to address the mayor
The noun 'mama' is a common noun as a general word for a female parent, a synonym for the common noun mother.The noun 'Mama' is a proper noun as a title to address a specific person.
To address multiple doctors, simply pluralize the abbreviation for doctor. For example, you would write "Dear Drs. John, Bob, and Sara".